Build using -uff broken @ r8851

[tekkie]

Doing a build using sh build/do_build -uff fails:
CVSUP: cvsup.uk.freebsd.org

Automatically building a thin image with packages
00:00:00 # NanoBSD image FreeNAS-8.2-r8851M-amd64 build starting
00:00:00 ## Clean and create object directory (/usr/src/FreeNAS8/trunk/obj.amd64)
00:02:53 ## Construct build make.conf (/usr/src/FreeNAS8/trunk/obj.amd64/make.conf.build)
00:02:53 ## run buildworld
00:02:53 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.bw
00:27:03 ## build kernel (/usr/src/FreeNAS8/trunk/nanobsd/FREENAS.amd64)
00:27:03 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.bk
00:30:22 ## Clean and create world directory (/usr/src/FreeNAS8/trunk/obj.amd64/_.w)
00:30:22 ## Construct install make.conf (/usr/src/FreeNAS8/trunk/obj.amd64/make.conf.install)
00:30:22 ## installworld
00:30:22 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.iw
00:31:14 ## install /etc
00:31:14 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.etc
00:31:16 ## configure nanobsd /etc
00:31:16 ## install kernel (/usr/src/FreeNAS8/trunk/nanobsd/FREENAS.amd64)
00:31:16 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.ik
00:31:21 ## run customize scripts
00:31:21 ## [1/162] customize "clean_packages"
00:31:21 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.cust.clean_packages
00:31:21 ## Clean and create world directory (/usr/src/FreeNAS8/trunk/obj.amd64/_.w/usr/local)
00:31:21 ## [2/162] customize "cust_install_files"
00:31:21 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.cust.cust_install_files
00:31:21 ## [3/162] customize "cust_install_machine_files"
00:31:21 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.cust.cust_install_machine_files
00:31:21 ## [4/162] customize "add_pkg_devel_pkg-config"
00:31:21 ### log: /usr/src/FreeNAS8/trunk/obj.amd64/_.cust.add_pkg_devel_pkg-config
do_build.sh: ERROR: FreeNAS build FAILED; please check above log for more details

[gcooper]

What does the above mentioned log say?

[gcooper]

It worked for me when I tried last. Please reopen the ticket when you have a chance to attach the logs. Thanks!